linux-kernel - [PATCH] rcu: Remove rcu_*

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Message-Id: <1547043208-11941-1-git-send-email-peng.hao2@zte.com.cn>
Date:   Wed, 9 Jan 2019 22:13:28 +0800
From:   Peng Hao <peng.hao2@....com.cn>
To:     paulmck@...ux.vnet.ibm.com, josh@...htriplett.org
Cc:     linux-kernel@...r.kernel.org, Peng Hao <peng.hao2@....com.cn>
Subject: [PATCH]  rcu: Remove rcu_*_state declaration

Because of just only one set of rcu_state, the declaration of
rcu_sched_state/rcu_bh_state/rcu_preempt_state is unnecessary.

Signed-off-by: Peng Hao <peng.hao2@....com.cn>
---
 kernel/rcu/tree.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 703e19f..9ea704c 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -401,13 +401,6 @@ struct rcu_state {
 /*
  * RCU implementation internal declarations:
  */
-extern struct rcu_state rcu_sched_state;
-
-extern struct rcu_state rcu_bh_state;
-
-#ifdef CONFIG_PREEMPT_RCU
-extern struct rcu_state rcu_preempt_state;
-#endif /* #ifdef CONFIG_PREEMPT_RCU */
 
 int rcu_dynticks_snap(struct rcu_data *rdp);
 
-- 
1.8.3.1